Malicious PDF — malware analysis report

Static analysis result for SHA-256 98b005683a7ac895…

MALICIOUS

PDF

33.4 KB Created: 2020-08-20 13:03:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5773362872b42aabba00b6d646163e5b SHA-1: 33d0030eb656e0c973ec8e5d12da485ec170c4cb SHA-256: 98b005683a7ac895396cf67b40e896248a2b9f8921b40a84bff31192772c3912
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a malicious link disguised as a Canon printer application update, directing users to a known malicious redirector. The document also exhibits characteristics of a PDF SEO link farm, with numerous links to external PDF files, likely to improve search engine ranking for malicious content. The primary malicious URL is https://ttraff.com/pify?keyword=canon+printer+application, which is flagged as a malicious redirector.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=canon+printer+application
    • http://mokobedad.yatesclassroom.com/uploads/1/3/2/6/132696117/dd353506477d46.pdf
    • http://files.refugeriders.org/uploads/1/3/2/6/132681836/rudonitev-rasato.pdf
    • http://morobo.lqcolour.com/uploads/1/3/2/6/132695615/8920884.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xogasetixudaxaw.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/andrea_wilson_facebook_hacker.pdf
    • https://cdn.shopify.com/s/files/1/0431/0158/5570/files/53276229746.pdf
    • https://cdn.shopify.com/s/files/1/0432/9386/8187/files/47443800097.pdf
    • https://cdn.shopify.com/s/files/1/0434/6419/6256/files/carl_degler.pdf
    • https://cdn.shopify.com/s/files/1/0432/8564/3419/files/fajakunetiruzifuvesa.pdf
    • https://cdn.shopify.com/s/files/1/0434/3123/1638/files/xezixawezolifel.pdf
    • https://cdn.shopify.com/s/files/1/0431/7092/2655/files/barelovexotozumurapigilod.pdf
    • https://cdn.shopify.com/s/files/1/0437/6399/0686/files/63348541432.pdf
    • https://cdn.shopify.com/s/files/1/0448/8429/5847/files/toyota_diagnostic_trouble_codes_manual_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/8275/9836/files/32745929748.pdf
    • https://cdn.shopify.com/s/files/1/0435/8258/7037/files/kozufinotagizafowesunoxi.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000048d7.bin
b022122e478fb135facc47868e15b90d342787b643af7b16b8940f43eabde7b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48D7 4656 bytes
font_01_sfnt_off000058b7.bin
b4909e194ead07f902f9c8912f8a4f24d8ff8dc6e2733b3796e720af7b922e18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58B7 9532 bytes

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